Research Article

Experimental Investigations of the Seismic Performance of a Base-Isolated Uninterruptible Power Supply (UPS) through Shaking Table Tests

Figure 9

Transfer function-frequency curves at the top of the UPS specimens in Series A. (a) Test nos. 1A–3A. (b) Test nos. 6A–8A. (c) Test nos. 10A–12A.
(a)
(b)
(c)